I like having my toolbar layout with similar items in the same area of a toolbar:
If you’ve ever done this kind of layout, you know what a pain in the buttocks it is. But I realized I could take a screen cap of all the buttons I want, split them on a 1x1 grid, and use grid snap to lay them out in Rhino:
Once I get them arranged to my liking, I use an empty button with this question mark svg to fill empty spots and enforce the spacing:
